Felix benedict herzog



PATENTED JAN. 12,1904.

F. B. HERZOG. ELECTRIC SIGNALING APPARATUS.

APPLICATION FILED MAY 17, 1886..

H0 MODEL.

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UNITED STATES Patented January 12, 1904.

FELIX BENEDICT HEEZOG, OF NEW YORK, N. Y.

ELECTRIC SIGNALING APPARATUS;

SPECIFICATION forming part of Letters Patent No. 749,191, dated January12, 1904. Application filed May 1'7, 1886. Serial No. 202,489. (Nomodel.)

T0 at whom, it may concern.-

Be it known that I, FELIX BENEDICT HER- ZOG, a citizen of the UnitedStates, and a resident of the city and county of New York, in the Stateof New York, have invented a new and useful Improvement in ElectricSignaling 'Apparatus, of which the following is a specioperator toreadily receive its signal, and also to provide other speclficimprovements in elec-' tric signaling apparatus, as'herein shown.

To this end the principal feature of my invention, generally stated,consists in employing suitable apparatus at the central or receiv ingstation and the substations, together with proper circuit connectionsbetween these, whereby when the central operator manipulates thereceiving apparatus this will automatically indicate which of thesubstations has signaled, and may also, if desired, give in addition tothis indication the signal which properly-organized substationsignal-transmitting apparatus has been prepared to transmit. r

The invention consists also in various other features and details shownherein.

This invention bears the following relation to three pending casesincluding somewhat analogous subject-matter. These are Serial No.189,664, of January 25, 1886, and Serial No. 357,873, July 5, 1890, andin the divisional case to be filed before the issue hereof. The first ofthese claims as an improvement upon the main generic subject-matter ofthe present application, a combination of this with substitution as aspecies under the broad genus of automatic self-starting circuit-testingapparatus for the manually-operated apparatus herem shown and claimed asa species under the broad genus, also herein claimed.

of which the last-named application shows a more special form. Thesecond and third applications are divisions of the present case.

Referring to the drawings in detail, A, B, E, and D representcircuit-controlling apparatus at sending-stations. These are here shownas operating to close the circuit when the receiving-station issignaled. A represents an ordinary circuit-closing switch. B and E showboxes supposed to contain time-circuitcontrolling apparatus, such as isshown in said application Serial No. 189,66 i, of'January 25, 1886, (thefunction of which is to keep the circuit closed a certain length of timeand then automatically open it,) and D represents an automaticsignal-transmitter of a type which I have in various pendingapplications called a spring-actuated latent signal-transmitter, of thegeneral type shown in my Patent No. 289,834, (in contradistinction toanother form of what I call latent signal-transmitter, shown in myPatent No. 292,115, which I call impulse-actuated.

The present apparatus differs from any shown in any of my patents, buthas been before this shown in pending applications, from among which Iinstance Serial No. 14:6,447, of October 25, 1884:, now Patent No.628A64t.

The apparatus is so organized that the act of setting it automaticallycloses a circuit and keeps this circuit closed until the apparatusreturns to its normal condition. In the course of so returning itaffects suitable receiving apparatus at the central station, so as tocause this to indicate a corresponding signal. It retains the signal asset until it is released or caused to operate from thereceiving-station, as hereinafter indicated. The circuits 6 6 6 6 leadto the central station, where they have as terminals the contacts FF,&c., and a branch prolonged to end in the contact-strips T, insulatedfrom each other on their rubber base. All of these contact-stripsnormally touch a common terminal which is fixed to a fulcrumedarmature-lever K, whence a line 3 leads through an electromagnet C,thence to battery H. Connected to this battery in series is a secondbattery, whose other terminal leads through a receiver Q, line 9, magnetY, line 4, metal arm Z, and trailing contact-brush W. Rigidly fastenedto the arm Z is a wheel 00, with notches, and cooperating with this anarmature-lever O, fulcrumed at P N in both of the armature-levers,represents an adjustable counterweight. The lever O is arranged toobstruct the wheel X when the magnet Y attracts its armature.

G is a bell, which is tapped by the ball or end of lever K. R R are twoguides in which slides, a resetting-rod U, adapted to raise botharmature-levers when it is lifted.

The mode of operation is as follows: As soon as any substationinstrument, as D, is operated the circuit is closed through lines 6 1,contact T, common contact K, line 3, battery, line 2, and frame ofinstrument. At the beginning of the closure the electromagnet C attractsits armature, and thus breaks the common contact, which is not remadeWhen the magnet is deenergized as a result of this break. The rod K isso balanced and adjusted that it is held in position of contact by thecombined action of the Weight N and the friction of the springs Tagainst the contact shown as mounted on the rod; but when the magnet hasonce attracted the armature carried by the rod the latter is pulledaway, so as to break the contacts, which then remain broken until bysubsequent and independent action the armature and with it the rod arecarried back into contact position. At the attraction the bell istapped, so as to call attention of the receiving operator. Subsequentsending operators could now of course close their circuits at thesending-station, as before, but as the line is broken at thereceiving-station such subsequent closures would not affect the alarm.If no other annunciator is in circuit, the receiving operator has nomeans of knowing what substation has called. He rotates the arm Z, sothat it will successively make contact with the terminals F F, &c. Aslong as he passes over contacts corresponding to unoperated (and henceat the distant station open) circuits no eifect is produced, but at thefirst terminal to an operated circuit the current passing from D 2 H Q,9 Y 4Z to corresponding contact-terminal F and 6 energizes magnet Y,which attracts its armature, and thereby causes this to tilt over andthus by means of projection L or some equivalent therefor lock the wheelX and arm Z in position, so that this points to the contact F,corresponding to the operating-circuit and properly marked ornumbered-for instance, as shown in said pending application, Serial No.189,664, of January 25, 1886.

So far the mode of operation has been described in a manner applying toa simple circuit-closer; but if instead of a simple eircuitcloser theoutlying station is supplied with a latent signal-transmitter thesuitable signalaffecting mechanism at the central station would by thissame stopping device be locked, so that the signal could now bereceived. The general mode of operation of the distant station apparatusafter this has been set by the local operator is set forth in my saidpatents to wit, No.289,834 or No.292,115; but by pending applications,Serial Nos.14, 6,447, of October 25, 1884, and 189,663 and 189,666, ofJanuary 25, 1886, as examples, these are improved for special usescooperating with the means set forth in the present application in thatthe circuit is normally open at the signaling-station and after beingclosed for signaling purposes is reopened magnetically at the end of theoperation. Of course this indicator may be of any desired character. Assoon as the signal has been received the operator pushes up the rod U,thus by means of projections J raising both armature-levers and puttingthe mechanism in condition for further operation. It will be seen thatif another substation has set its instrument, whether this be donebefore the setting of the instrument corresponding to the first terminalin the path of revolution of the revolving arm or at the same time orafter or during the reception of the first signal or after and beforethe resetting by the operator, the effect will be the samethat is, themagnet C will again be energized and by attracting its armature ring analarm and break the main circuit, thus enabling the operator to begin asbefore. It will be observed that the essence of this part of theinvention, stated generally, consists in connecting the receiving deviceby a movable member to the substation through intermediately-placedcontacts and in combining therewith suitable means acting to continuethe differentiating conditions in the selector, which are the resultsinitiated by the simple act performed by the guest at several stationswhen setting the signal until the sweeper of the selector has had timeto reach the corresponding contacts in turn, and it will also beobserved that these circuit-continuing devices may be varied-as, forinstance, by using non-magnetic means, as the time circuit-controllersset forth in the application Serial No. 189,664 and hereinbeforereferred to-or by using magnetic meansas, for instance, magnets arrangedin various Ways and located, for example, at the substations, as invarious forms of latent transmitter shown in my earlier patent or asillustrated in D herein and as more fully set forth in my Patent No.628,464, or these may be located elsewhere, as the magnets C, located atthe selector in Fig. 2, and it will be noted,

further, that these devices may be entirely in the independent circuits,as at D of Fig. 1, or in a local or branch circuit, as used for magnetsC of Fig. 2. It will also be observed that these circuit-continuing.means comprising magnets and connectingmechanism may be used to restorethe normal circuit conditions either electrically, as by action throughthe magnets themselves, or mechanically, as in C of Fig. 2. Thisreference is to a figure eliminated by the present amendment, but ofcourse still of record in the file, and the device thus referred to willbe made the subject of the divison hereof to be filed before the issueof this patent.

mechanically or by the closure of a circuit electrically, so that it isalso put back to its zero or normal condition. By signal-receiverresetter it is meant the mechanism by which the particular style ofsignal-receiving indicator which is usedas, for example, merely thestep-by-step indicator shown in a number of analogous applications, as,for example, Serial No. 306,474, of April 8, 1889can be reset to itszeroposition or to a position which is necessary or convenient fromwhich the succeeding signals or indications are to be counted. This isshown in other applications as produced by various means, among whichare someas, for instance, said Serial No. 306,474, of April 8, 1889inwhich a direct mechanical connection produces this result, and othersas, for instance, in Serial No. 2%,261, of August 8, 1887 in which thisresult is produced indirectly by means of an electromagnet. In Fig. 9Ishow both of these means applied to one form of indicator. Thus it willbe seen that the operation can continue indefinitely. I

Various changes can be made in the transmitters, receivers, circuits,alarm, and switching devices without departure from my invention, and soI do not limit myself to the precise forms shown.

I am aware of Patent No. 316,47 5 to Mc- Cullough and Patent No. 126,288to Guernsey. These devices, like mine, have the multiple linesconnecting the substations to a central apparatus having a number ofindependent contact points or devices corresponding to the substationsand a movable member common to these; but among other points ofimprovement in my invention when used in con-' full operation of thesignal until its deliveryis caused by cooperation of mechanism locatedat another point.

As stated in application Serial No. 189,664,

hereinbefore referred to, the apparatus has together with a signalrepresenting a want of some kind. The description has been limited tothis simply for clearness and simplicity of exposition. As a matter offact, the use of various parts, as well as of the whole, and

also of the whole in connection with various other improvements has beencontemplated not only for use in hotels, telephone-exchanges, andmunicipal telegraph systems and other systems in which a number ofoutlying stations are in connection with a central station, but also foruse in some instances between two stations only.

I wish it to be distinctly understood that I do not wish to confinemyself to the form shown in the description. A considerable departurecan be made in a number of the details shown in the devices at thesubstations, at the central station, and in the circuits and connectionsbetween them.

I claim 1. At or in connection with each of several substations,apparatus comprising both a magnet and a circuit-closer which is therebycaused to reestablish the normal circuit conditions, and which controlsother apparatus; cooperating circuit connections including separatelines arranged in multiple; connecting points or contacts correspondingto the substationlines and arranged in a group; and cooperatingtherewith an arm which is movable with respect to the separate contacts,but which is guided by a support, so that its motion with respect to thecontacts is limited and predetermined; a contact in turn connectedthereby with all the line-contacts of the group, and

means, including a suitable source of current, acting to complete theoperation of the apparatus controlled by the substation circuit closer,and simultaneously to cause the magnet to terminate this operation byrestoring the original circuit conditions, substantially asdescribed.

2. At or in'c'onnection with each of several substations, apparatuscomprising both a magnet and a manually-operated circuit-closer which isthereby caused to reestablish the normal circuit conditions, and whichcontrols a responsive device at another point; cooperating circuitconnections including separate lines arranged in multiple; connectingpoints or contacts corresponding to the substation lines; andcooperatingtherewith, amember such as an armwhich is movable withrespect to the separate contacts, but which is guided by a support sothat its motion with respect to the contacts is limited andpredetermined; devices controlled by the arm and in succession common tothe various lines, and

&

including a contact cooperating with the various line-contacts, and asignal brought into operation when the arm reaches an operated a lineand serving to locate said line; together with means including asuitable source of current and acting to cause the substation-magnet toreopen the closed circuit simultaneously with the termination of thesignal, substantially as described.

3. At or in connection with each of several substations, apparatuscomprising both a controlled de"icesuch as a magnet and acircuit-controlling device, such as acircuit-closer which controlsapparatus at another station; cooperating circuit connections includingseparate lines arranged in multiple; connecting points or contactscorresponding to the substation-lines; and cooperating therewith, amembersuch as an arm-which is movable with respect to the separatecontacts but which is guided by a support, so that its motion withrespect to the contacts is limited and predetermined; devices controlledby the arm, and acting after it is carried into position where itcooperates with the contact of an operated station, to establish circuitconditions by means of which receiving apparatus is controlled, and,moreover,the magnet at the corresponding station maybe brought intocontrol from the common station as an answer to the signal sent,substantially as described.

4:. At or in connection with each of several substations, apparatuscomprising both a magnet and a circuit-controller which is therebycaused to reestablish the normal circuit conditions and which controlsapparatus at another point; cooperating circuit connections includingseparate lines arranged in multiple; connecting points or contactscorresponding to the substation-lines, and cooperating therewith, amember such as an armwhich is movable with respect to the separatecontacts, but which is guided by a support, so that its motion withrespect to the contacts is limited and predetermined; devices controlledby the arm, and acting after it is carried into position, where itcooperates with the contact of an operated station to establish circuitconditions, by means of which the magnet corresponding to thatsubstation may be brought into control from the common station, togetherwith a notification device acting to indicate at the common station whenthe arm has been moved into the proper position in which thesubstation-magnet may be controlled, substantially as described.

5. At or in connection with each of several substations, apparatuscomprising both a magnet and a circuit-controller which is therebycaused to reestablish the normal circuit conditions, and which controlsapparatus at another point; cooperating circuit connections includingseparate lines arranged in multiple; connecting points or contactscorresponding to the substation-lines and cooperating therewith; amembersuch as an armwhich is movable with respect to the separatecontacts, but which is guided by a support so that its motion withrespect to the contacts is limited and predetermined; a notificationdevice controlled by the arm and acting to locate the operated stationwhen the arm reaches the corresponding contact; and means, including aswitching device and a suitable source of current, and acting to controlthe restoration of the corresponding substation-controller through itsmagnet, substantially as described.

6. At or in connection with each of several substations, apparatuscomprisingboth amagnet and a circuit-controller which is thereby causedto reestablish the normal circuit conditions, and which controlsapparatus at another point; cooperating circuit connections includingseparate lines arranged in multiple; connecting points or contactscorresponding to the substation-lines and cooperating therewith; amember which is movable with respect to the separate contacts, but whichis guided by a support so that its motion with respect to the contactsis limited and predetermined; a magnet adapted to be common to any ofthe substation circuit-controllers when the system is in its normalcondition; and means, including a suitable source of current, whereby asthe movable circuit-controller successively reaches the contactscorresponding to the substations it in turn cooperates with them to putthe corresponding magnets under control to cause them to reestablish thenormal circuit conditions at these substations, substantially asdescribed.

7. At or in connection with each of several substations,apparatuscomprising both amagnet and a circuit-controller which is therebycontrolled and which controls apparatus at another point; cooperatingcircuit connections including separate lines arranged in multiple;connecting points or contacts corresponding to the substation-lines andcooperatating therewith; a member-such as an arm which is movable withrespect to the separate contacts, but which is guided by a support sothat its motion with respect to the contacts is limited andpredetermined; and means, including a suitable source of current and acircuit connection, arranged to control the substation-magnet of anoperated station, at the time when the arm reaches the contactcorresponding to that station, substantially as described.

8. At or in connection with each of several substations, apparatuscomprising both a magnet and a manually-operated signaling deviceincluding a circuit-controller arranged when operated to continue theabnormal circuit conditions until it is, by the magnet, caused toreestablish these normal circuit conditions, and which controls asuitable signal-receiving apparatus; cooperating circuit connections,including separate lines arranged in multiple;

connecting points or contacts corresponding to the substation-lines, andcooperating therewith; a member-such as an arm which is movable withrespect to the separate contacts, but which is guided by a support sothat its motion with respect to the contacts is limited andpredetermined; and a circuit connection which the arm brings intocooperation successively with the separate contacts corresponding to theseveral operated substations; together with the means, including asuitable source of current, which acts to start a substation-magnet tocontrol the restoration of the circuit-controller at its station, Whilethe arm remains on the corresponding contact, substantially asdescribed.

9. At or in connection with each of several substations, apparatuscomprising both a magnet and a manually-operated signaling deviceincluding a circuit-closer which is thereby caused to reestablish thenormal circuit conditions, and which controls apparatus at anotherpoint; cooperating circuit connections, including separate linesarranged in multiple; connecting points or contacts corresponding to thesubstation-lines; and, cooperating therewith, a membersuch as anarmwhich is movable with respect to the separate contacts, but which isguided by a support so that its motion with respect to the contacts islimited and predetermined; and a circuit connection which the arm bringsinto cooperation successively with contacts corresponding to the severaloperated substations, and which whenever so brought controls a signalwhich locates or marks the corresponding substations; together withmeans brought into operation while the arm continues to touch anycontact, and acting to cause the corresponding substation-magnets torestore the normal circuit conditions, in succession, substantially asdescribed.

10. At or in connection with each of several substations, asignal-transmitter; cooperating connections, including separate linesarranged in multiple; connecting points or contacts corresponding to thesubstation-lines; a receiver arranged to cooperate with thesubstationtransmitters; and a common contact, normally connecting withall the line-contacts; a magnet controlled from any station and actingto effect a common connection, together with means arranged and adaptedto break each of these contacts at one operation, substantially asdescribed.

11. At or in connection with each of several substations, asignal-transmitter and a magnet arranged to control it; cooperatingconnection including separatelines arranged in multiple; connectingpoints or contacts corresponding to the substationelines; a receiverarranged to cooperate with the substation-transmitters; a common contactnormally connecting with a number of the line-contacts; a magnet, and

devices acting to break the common return;-

and means whereby, when one of the transmitters is brought intocooperation with the receiver, no other line can aflect this,substantially as described.

12. At or in connection with each of several substations, asignal-transmitter and a magnet arranged to control it; cooperatingcircuit connections including separate lines arranged in multiple;connecting points or contacts corresponding to the substation-lines andcooperating therewith, a member such as an armmovable with respect tothe separate contacts, but guided by a support so that its motion withrespect to the contacts is limited and predetermined; a receiverarranged to cooperate with the substation-transmitters, and cooperatingdevices controlled by the arm, whereby if several'transmitters areoperated within the same time limits, the relative order of cooperationof the receiver and each of these transmitters will be predetermined bythe relative positions of the corresponding contacts, substantially asdescribed.

13. At or in connection with each of several substations, a variablesignal-transmitter, arranged to produce successive impulses orinterruptions of the circuit; cooperating circuit connections includingseparate lines arranged in multiple; connecting points or contactscorresponding to the substation-lines; and, oo-

operating therewith a membersuch as an armwhich is movable with respectto the separate contacts, but which is guided by a support so that itsmotion with respect to the contacts is limited and predetermined; areceiver arranged to cooperate with the substationtransmitters, andcooperating devices controlled by the arm, substantially as described.

14. At or in connection with each of several substations, a variablesignal-transmitter and a magnet arranged to control it; cooperatingcircuit connections including separate lines arranged in multiple;connecting points or contacts corresponding to the substation-lines; andcooperating therewith, a member-such as an armmovable with respect tothe sep arate contacts, but guided by a support, so that its motion withrespect to the contacts is limited and predetermined a variable receiverarranged to cooperate with the substationtransmitters and cooperatingdevices, controlled by the arm together with means for holding the armat rest while a signal is received, substantially as described.

15. At or in connection with each of several substations, a variablesignal-transmitter and a magnet arranged to control it; cooperatingcircuit connections, including separate lines arranged in multiple;connecting points or contacts corresponding to the substation-lines;and, cooperating therewith a membersuch as an arm movable with respectto the separate contacts, but guided by a support so that its motionwith respect to the contacts is limited and predetermined; avariablereceiver arranged to cooperate with the substation-- transmitters; andcooperating devices controlled by the arm together with magnetic meansfor stopping the arm, substantially as described.

16. At or in connection with each of several substations, a variablesignal-transmitter and a magnet arranged to control it; cooperatingcircuit connections including separate lines arranged in multiple;connecting points or contacts corresponding to the substation-lines; andcooperating therewith, a member-such as an arm-movable with respect tothe separate contacts, but guided by a support so that its motion withrespect to the contacts is limited and predetermined; a separate branchfrom each contact, a common contact cooperating with several of thesebranches, and means for breaking the common connection; a receiverarranged to cooperate with the substation-transmitters, and cooperatingdevices controlled by the arm, substantially as described.

17 At or in connection with each of several substations, a variablesignal-transmitter and a magnet arranged to control it; cooperatingcircuit connections, including separate lines arranged in multiple;connecting points or contacts corresponding to the substation-lines, andcooperating therewith, a membersuch as an armmovable with respect to theseparate contacts, but guided by a support so that its motion is limitedand predetermined; a separate branch from each contact, a commonconnection cooperating with several of these branches; amagnetcontrollable from any corresponding substation and operating to controlthis common contact; a receiver arranged to cooperate with thesubstation-transmitters, and cooperating devices controlled by the arm,substantially as described.

18. At or in connection with each of several substations, a variablesignal-transmitter and a magnet arranged to control it; cooperatingcircuit connectionsincluding separate lines arranged in multiple;connecting points or contacts corresponding to the substation-lines, andcooperating therewith, amembersuch as an arm movable with respect to theseparate contacts, but guided by a support so that its motion withrespect to the contacts is limited and predetermined; and a separatebranch from each contact, a common connection 00- operating with severalof these branches; and means for breaking the connection simultaneouslyat the branches and thus disconnecting the lines at each branch; areceiver arranged to cooperate with the substation-transmitters, andcooperatingdevices controlled by the arm, substantially as described.

19. At or in connection with each of several substations, a variablesignal-transmitter and a magnet arranged to control it; cooperatingcircuit connections including separate lines arranged in multiple;connecting points or contacts corresponding to the substation-lines, andcooperating therewith, a membersuch as an arm-movable with respect tothe separate contacts but guided by a support so that its motion withrespect to the contacts is limited and predetermined; a separate branchfrom each contact and a common connection cooperating with several ofthese; a magnet controlling the common connection, and means whereby theaction of the magnet will break the branches simultaneously; a receiverarranged to cooperate with the substation-transmitters; and cooperatingdevices controlled by the arm, substantially as described.

20. At or in connection with each of several substations, a variablesignal-transmitter and a magnet arranged to control it; cooperatingcircuit connections, including separate lines arranged in multiple;connecting points or contacts corresponding to the substation-lines; andcooperating therewith, a member-such as an arm-movable with respect tothe separate contacts, but guided by a support so that its motion withrespect to the contacts is limited and predetermined; a receiverarranged to cooperate with the substation-transmitter; a returnconnection controlled by the arm, the contacts being also arranged tocooperate with a return connection other than that controlled by thearm, substantially as described.

21. At or in connection with each of several substations, a variablesignal-transmitter and a magnet arranged to control it; cooperatingcircuit connections including separate lines arranged in multiple;connecting points or contacts corresponding to the substation-lines, andcooperating therewith, a Inembersuch as an and-movable with respect tothe contacts, but guided by a support, so that its motion with respectto the contacts is limited and predetermined; a receiver arranged tocooperate with the substation-transmitters; and cooperation devicescontrolled by the arm, and including a return connection, the contactsbeing also arranged to cooperate with a return connection other thanthat controlled by the arm; and devices acting to disable this return asto several contacts at once, substantially as described.

22. At or in connection with each of several substations, a variablesignal-transmitter and a magnet arranged to control it; this apparatusbeing arranged so that it is normally on open circuit, and that thecircuit is closed when the transmitter is in condition to operate;cooperating connections including separate lines arranged in multiple;connecting points or contacts corresponding to the substation-lines, andcooperating therewith, a membersuch as an aria-movable with respect tothe separate contacts, but guided by a support so that its motion withrespect to the contacts is limited and predetermined; a receiverarranged to cooperate with the substation -transmitters, and cooperatingdevices controlled by the arm;

and means whereby the magnets of the transmitters are caused to reopenthe circuit thereat after the termination of a signal and means forholding the arm at rest until suchtermination, substantially asdescribed.

23. At or in connection with each of several substations, a variabletransmitter; cooperating circuit connections including separate linesarranged in multiple; connecting points or IO contacts corresponding tothe substation-lines; and cooperating therewith, a membersuch as anarinmovable with respect to the separate contacts, but guided by asupport so that its motion with respect to the separate con- 5 tacts islimited and predetermined; cooperating devices controlled by the arm; amagnet common to the transmitters, and a locking device controlledthereby and acting to lock the arm into operative connection with anysubstation-contact, substantially as described.

24. At or in connection with each of several substations, a variablesignal-transmitter and a magnet arranged to control it; cooperatingcircuit connections, including separate lines 5 arranged in multiple;connecting points or contacts corresponding to the substation-lines;cooperating therewith, a common connection for the same, arranged to bebroken, and a variable signal-receiver arranged to cooperate 3 with thesubstationtransmitters, whereby, after the common connection is broken,the operation of all other transmitters is suspended while the receiveris connected to one transmitter, substantially as described.

3 5 25. At or in connection with each of several substations, asignal-transrnitter and a magnet cooperating therewith; cooperatingcircuit connections, including separate lines for each station arrangedin multiple; and at a com- 4 mon station, means including asignal-receiving device cooperating therewith and with the connectionsto these substations, and devices acting to affect the apparatus at thesubstations at a single operation; and means where by where onesubstation cooperates with the receiver, the control of the othersubstations is suspended, substantially as described.

26. A system comprising a central station connected to substations byindependent lines 5 in multiple; at each substation a mechanism adaptedand arranged to vary its control over the central apparatus according tothe manner in which the said substation apparatus has been set; acentral apparatus comprising a 5 5 member representing each substation;a movable member adapted to cooperate in turn with two or more of these;a device responsive in turn to the substation mechanism in accordancewith the manner in which these have been set and brought into operationsuccessively by the movable member; means for causing any two of thesemechanisms at the substations to cooperate with the responsive devicenon-simultaneously and in a fixed order;

together with means for postponing the cooperation of all the mechanismswhich may have been set and the common device until the latter isenabled to cooperate with each in turn.

27. In combination with a series of circuit- 7 closers at substations,independent lines radiating therefrom to a common station; a centralapparatus comprising a series of circularly-disposed contact-terminalsfor each substation, a common contact arranged to 006perate with thecontacts, one at a time; a branch line for each such contact leading toa second terminal the latter being arranged in a group together with acommon circuit-closer arranged and adapted to contact with all of theselatter terminals simultaneously and means for simultaneously separatingthe contacts of said group from the common circuitcloser.

28. In combination with a series of circuitclosers at substations,independent lines radiating therefrom to a common station; a centralapparatus comprising a series of circularly-disposed contact-terminalsfor each substation, a common contact arranged to coop- 9o erate withthe contacts, one at a time; a branch line for each such contact leadingto a second terminal the latter being arranged in a group, together witha common circuit-closer arranged and adapted to contact with all ofthese latter terminals simultaneously and magnetically-controlled meansfor simultaneously separating the contacts of said group from the commoncircuit-closer.

29. At or in connection with each of several substations, a device forsending a signal to a distant station, and a device responsive toactuation from a distant stationmeans for bringing such responsivedevice into action only if the signal at its substation is operated,whereby it acts as a return-signal to the sending operator; independentlines from the substations to a group of independent devices, eachcorresponding to a substation; a movable member, guided and supported sothat it will cooperate in turn with the independent devicescorresponding to operated substations; at a common point a receiverarranged to be in turn responsive to the signals from the substationwhen placed in correspondence therewith through the action of themovable member, and acting to locate the operated stations separately;means for holding the movable member at rest at the point of its travelcorresponding to an operated substation; together with means whereby themovable member will cooperate in turn with the return-signals at thesubstations which have signaled.

' 30. A signaling system comprising a series of lines from substationsto a common pointan electrically-operated indicating device adapted tocooperate with the several substations, a circuit-closer at eachsubstation; a device including a group of independent elements, one

for each line, and a movable memberas an arm-guided and supported so asto have a definite motion with respect to the group of elements; aseries of independent magnets, each corresponding to one of saidelements and its corresponding circuit-closer and cooperating therewithupon the operation of the indicating device; the whole so arranged,adjusted and related that the motion of the arm with respect to theindependent elements will determine the order in which the signal-receivin g device will respond to the control from the substations and theorder in which the respective magnets will operate to terminate thecontrol of the signal given by their corresponding substationsrespectively.

31. At several sending-stations a signaling device comprising acircuit-closer normally open; a manually-operating device for closingsame; a magnet cooperating in the restoration of the normal conditions;separate lines leading to contact-terminals; a movable membercooperating with. the said terminals, and with a source of current and areturn-wire; all cooperating so that when the movable device reaches theterminal corresponding to an operated circuit-closer, it causes themagnet to control the restoration of the signal; a guide and support forthe movable device, whereby its motion is predetermined with referenceto the group of contacts; and a responsive device brought intoconnection with each line in turn.

32. At or in connection with each of several substations, a device forsending a signal to a distant station, and a device responsive toactuation from a distant stationmeans for bringing such responsivedevice into action only if the signal at its substation is operated,whereby it acts as a return-signal to the sending operator; independentlines from the substations to a group of contacts, a movable devicecarrying a sweeper, and guided and supported so that it will cooperatein turn with all the contacts by testing them successively; at a commonpoint a device responsive to the signals from the substation, andarranged to be connected in turn at the contacts by cooperation of themovable devices therewith, and acting to locate such stations separatelymeans for holding the movable device at rest at the point of its travelcorresponding to an operated substation; together with means whereby themovable device will cooperate in turn with the return-signals at thesubstations which have signaled.

33. An annunciating system comprising a central apparatus including agroup of terminals normally in one electrical condition; means includinga circuit-closer at each of several substations, and a separate linefrom each substation to the central apparatus, arranged and adapted tocooperate with other elements in producing an abnormal circuit conditionfor the terminal corresponding to an operated substation; a magnetcorresponding to each terminal and substation arranged and adapted tocooperate in the subsequent restoration of the normal condition of suchterminal; a movable device-as an arm-with a support and guide, arrangedto cooperate in turn and in a fixed order with the abnormally affectedterminals; means brought into operation by such cooperation between themovable device and each terminal when the latter is in abnormalcondition and arranged and acting to locate the operated substation;together with means for causing the corresponding magnet and the movabledevice to cooperate in the restoration of the normal condition of theterminals in turn.

34. An annunciating system comprisinga central apparatus including agroup of terminals normally in one electrical condition; means includinga circuit-closer at each of several substations and a separate line fromeach substation to the central apparatus, arranged and adapted tocooperate with other elements in producing an abnormal circuit conditionfor the terminal corresponding to an operated substation; a magnetcorresponding to each terminal and substation, arranged and adapted tocooperate in the subsequent restoration of the normal condition of suchterminal; a movable deviceas an arm with a support and guide, arrangedto cooperate in turn and in a fixed order with the abnormally afi'ectedterminals; an electrically-responsive indicating device brought intooperation by such cooperation between the movable device and eachterminal when the latter is in abnormal condition, and arranged andacting to locate the operated substation; together with means forcausing the corresponding magnet and the movable device to cooperate inthe restoration of the normal condition to the terminals in turn.

35. A signaling system comprising a number of contacts normally on opencircuit, means including for each contact a circuitcloser at each ofseveral substations, and in circuit with each such closer a magnet,cooperating to control the duration of the energization of the contactcorresponding to an operated substation, an arm,supported,guided andpropelled by means independent of the actuation of the substationcircuit-closers and constructed and operating to pass the contacts inturn, a responsive device connectible to the responsive contacts by thearm and adapted to respond and thus locate a substation immediately whenthe arm reaches an energized contact; and means for restoring the normalcondition of the contact independently ofsubsequent action by thesending operator.

36. An annunciator for locating substations which have signaled,comprising a receiving device responsive to a current-flow; a movablememberas an arm movable independently of the actuation of a substation,and being electrically connected to said receiver and arranged andadapted to connect it in turn to a series of contacts or devicesrepresenting the respective substations; a manual circuit-closer at eachsubstation, constructed so that a person when signaling closes thecircuit thereat; means for causing this act to control the energizationof the contact representing that station, together with means forcontinuing this energization for a-period independent of the action ofthe operator at the substation and means for restoring the normalconditions of the system independently of his action, all arranged sothat during the motion of the movable member the energized contacts Willbe caused to cooperate with the receiver and to locate the correspondingoperated substations in turn.

' 37. At each of several substationsavariable signal-transmitter and amagnet arranged and adapted to cooperate with it in its actuation;suitable circuit connections to a central station at which is apparatuscontrollable by the transmitters in turn; together with means forsecuring successive cooperations of the controllable apparatus and thetransmitters at the respective substations and including sep-' aratedevices corresponding to substations, and a common device arranged andadapted to cooperate with the separate devices of operated substationsnon-simultaneously and in a fixed order.

38. At each of several substations a variable signal-transmitter and amagnet arranged and adapted to release it by means of circuitconnections controlled at a distant centralstation; suitable circuitconnections to a central station at which is apparatus controlled by thetransmitters in turn; together with means for securing successivecooperations of the controllable apparatus and the transmitters at therespective substations and including separate devices corresponding tothe substations, and a common device arranged and adapted to cooperatewith the separate devices of operated substations non-simultaneously andin a fixed order.

39. At each of several substations a variable signal-transmitter and amagnet arranged and adapted to release it by means of circuitconnections controlled at a distant central station; suitable circuitconnections to a central station at which is apparatus controllable bythe transmitters in turn; together with means for securing successivecooperations of the controllable apparatus and the transmitters at therespective substations, and including separate contacts corresponding tothe substations, and a movable device arranged and adapted to cooperatewith the separate contacts of operated substations non-simultaneouslyand in a fixed order, together with a magnet at the central station andmeans controlled thereby for stopping'the movable device when it reachesthe contact corresponding to an operated substation.

40. At each of several substations a variable signal-transmitter and amagnet arranged and adapted to release it by means of circuitconnections controlled at a distant central station; suitable circuitconnections to a central station at which is apparatus controllable bythe transmitters in turn; together with means for securing successivecooperations of the controllable apparatus and the transmitters at therespective substations, and including separate contacts corresponding tothe substations, and a movable device arranged and adapted to cooperatewith the separate contacts of operated substations non-simultaneouslyand in a fixed order, and continuously as long as it is in motion in onedirection, together with a magnet at the central station and meanscontrolled therebyi'or stopping the movable device when it reaches thecontact corresponding to an operated substation.

41. At each of several substations a variable signal-transmitterconstructed to operate on make and break of a circuit, and a magnetarranged and adapted to cooperate with it in its actuation; suitablecircuit connections to a central station at which is apparatuscontrollable by the transmitters in turn;v together with means forsecuring successive cooperations of the controllable apparatus and thetransmitters at the respective substations and including separatedevices corresponding to substations, and a common device arranged andadapted to cooperate with the separate devices of operated substationsnon-simultaneously and in a fixed order.

42. At each of several substations a variable signal-transmitter, and amagnet arranged and adapted to cooperate with it in its actuation;suitable circuit connections to a central station at which is apparatuscontrollable by the transmitters in turn; together with means forsecuring successive cooperations of the controllable apparatus and-thetransmitters at the respective substations and including separatedevices corresponding to substations, said cooperations being securedthrough a line including one of such separate devices and thesubstation-magnet, and a common device arranged and adapted to cooperatewith the separate devices of operated substations non-simultaneously andin a fixed order.

43. At each of several substations a variable signal-transmitter, and amagnet arranged and adapted to cooperate with it in its actuation;suitable circuit connections to a central station at which is apparatuscontrollable by the transmitters in turn; together with means forsecuring successive cooperations of the controllable apparatus and thetransmitters at the respective substations and including separatedevices corresponding to substations, and a common device arranged andadapted to co-. operate with the separate devices of operatedsubstations non-simultaneously and in a fixed order and constructed andarranged to be held Ice at rest in connection with one of the saidseparate devices from the beginning until the end of its cooperationwith one of the transmitters.

44. At each of several substationsavariable signaltransmitter,and amagnet arranged and adapted to cooperate with it in its actuation;suitable circuit connections to a central station at which is apparatuscontrollable by the transmitters in turn; together with means forsecuring successive cooperations of the controllable apparatus and thetransmitters at the respective substations and including separatedevices corresponding to substations, and a magnetic device common tothe stations, but located at the central station and called intocooperation upon the actuation of the substation-transmitter, and acommon device arranged and adapted to cooperate With the separatedevices of operated substations nonsimultaneously and in a fixed order.

45. At each of several substations a variable signal-transmitterconstructed to operate on make and break of a circuit, and a magnetarranged and adapted to cooperate with it in its actuation; suitablecircuit connections to a central station at which is apparatuscontrollable by the transmitters in turn; together with means forsecuring successive cooperations of the controllable apparatus and thetransmitters at the respective substations and including separatedevices corresponding to substations, said cooperations being securedthrough a line including one of such separate devices and thesubstation-magnet, and a common device arranged and adapted to cooperatewith the separate devices of operated substations non-simultaneously andin a fixed order and constructed and arranged to be held at rest inconnection with one of the said separate devices from the beginninguntil the end of its cooperation with one of the transmitters.

46. At or in connection with each of several substations, acircuit-controller normally on open circuit through two contacts, meansfor closing these manually and for keeping them closed, and a magnet inseries with the contacts when closed and in circuit with an independentline to a central station and operating through this line to reopen thecontacts; at the central station a contact-terminal for each such line,a controllable device constructed to be controlled by such substationdevice only while its magnet is in circuit with its terminal; a movablemember acting electrically to connect the said device to the independentline by way of the corresponding contact-point; together with means forsecuring such cooperation in a fixed order and successively and forseparately locating the operated substation when it is so connected andprior to such connection of a subsequentlyconnected similar substation.

47. At each substation a variable signaltransmitter, means for manuallysetting it,

and a magnet arranged to control its operation and restoration,independent lines to a central station having a receiver adapted tocooperate with any transmitter, and a device having a guide and supportarranged to cooperate with the receiver and with the lines in a fixedorder; together with means for securing the cooperation of thetransmitter and operated receiver in turn whereby any transmitter may beset at any time, but will only be restored or actuated in an orderdetermined by the operation of other transmitters.

48. At or in connection with each of several substations a variablesignaling apparatus normally on open circuit and comprising acircuit-controller and a motor and a magnet controlling the same, meansfor setting the 1 same to remain on closed circuit and for restoring thenormal condition of the magnet; independent lines to a central apparatuscomprising a series of contact-plates each corresponding to a circuitand all in the path of a contact-sweeper carried by a rotatable arm andarranged to test each of such plates in turn; a signal-receiverconnected in succession to each plate and line through the arm; a devicecontrolled by the setting of any transmitter; together with a currentsource and connections whereby as the arm successively reaches eachplate it will test the same and each transmitter which has been set willbe released by its magnet when the arm reaches the corresponding plate.

49. At or in connection with each of several substations acircuit-controller normally on open circuit, means for closing the sameand for keeping it closed, and a magnet controlled through anindependent line to a central station for reopening it; at a centralstation a contactpoint for each line, a controllable device connected toa movable member and adapted and arranged to cooperate With eachoperated line in a fixed order; a support and guide for the movablemember, together with means for separately controlling each substationapparatus and for separately noting and locating the operated substationat the central station and at the time when the central stationcontrollable device is connected to the substation.

50. At.or in connection with each of several substations, acircuit-controller normally on open circuit, means for closing the sameand for keeping it closed, and a magnet controlled through anindependent line to a central station for reopening it; at a centralstation a contactpoint for each line, a controllable device connected toa movable member and adapted and arranged to cooperate with eachoperated line in a fixed order; a support and guide for the movablemember, together with means for separately controlling each substationapparatus and for separately noting and locating the operated substationat the central station and at the time When the central stationcontrollable device is connected to the substation; combined With amagnet cooperating with a movable member.

51. At or in connection with each of several substations, acircuit-controller normally on open circuit, means for closing the sameand for keeping it closed, and a magnet controlled through anindependent line to a central station for reopening it; at a centralstation a contact-point for each line, a controllable device connectedto a movable member and adapted and arranged to cooperate with eachoperated line in a fixed order; a support and guide for the movablemember, together with means for separately controlling each substationapparatus and for separately noting and locating the operated substationat the F. BENEDICT HERZOG.

Witnesses:

N. P. BEERS, PHILIP HERZOG.

